文章摘要
Study on Pyrolysis Mechanism of Waste Tire by Applying Various Kinetic Models
Received:August 09, 2022  Revised:August 09, 2022
DOI：10.12136/j.issn.1000-890X.2024.03.0197
Key Words: waste tire；pyrolysis mechanism；dynamics mold；dynamic parameter
Author NameAffiliationE-mail
SHAN Tilun Qingdao University of Science and Technology shan15154465791@163.com 
GAO Xiaodong China Nuclear Power Engineering Co.，Ltd  
TIAN Xiaolong* Qingdao University of Science and Technology tianxiaolong@qust. edu. cn 
BIAN Huiguang Qingdao University of Science and Technology  
WANG Kongshuo Qingdao University of Science and Technology  
LI Chaoyang Qingdao University of Science and Technology  
WANG Chuansheng Qingdao University of Science and Technology wangchuangshengtxl@163.com 
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Abstract:
      The pyrolysis mechanism of waste tire at four heating rates（10，20，30，40 ℃·min-1） was studied by thermogravimetric（TG） analysis，and the kinetic parameters of waste tire were calculated by model-free method（FWO method，KAS method，Starink method，Friedman method and Kissinger method） and model fitting method（C-R method）.The results showed that，Kissinger method only obtained a single dynamic parameter，while the dynamic parameters obtained by FWO method，KAS method，Starink method and Friedman method were range values，so Kissinger method had the least calculation accuracy.When the kinetic parameters were calculated by the equal conversion method，the pre-exponential factor calculated by the FWO method was significantly larger than that calculated by the KAS method and Starink method.When using the C-R method to determine the most probable mechanism function，with the increase of heating rate，the activation energy increased，and the correlation coefficient had no obvious change rule.The mechanism function model followed in the pyrolysis process of waste tires was diffusion model D3.The integration of TG analysis and kinetic model establishment could provide theoretical support for the pyrolysis treatment of waste tires.
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